Skyline 50k Endurance Run
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Event
Skyline 50K Endurance Run is an annual trail race held in August, staged at Lake Chabot Marina in Castro Valley, California. The event includes a 50k and a half marathon. The race is described as one of the oldest continuously running 50k races in the United States. The finish area features plant-based food and beer, and families are welcome. The race is part of the P-USATF Grand Prix and is listed as a UTMB Index event.
Course and logistics
The course starts and finishes at Lake Chabot Marina and follows a large loop through East Bay Regional Parks, reaching Skyline Gate. Aid station support is provided by several Bay Area running groups, and a Volunteer Safety Patrol assists at key intersections. Key participant details and navigation materials are available in the event athlete guides and GPX files.
Distances:
- 50 km
- Half marathon
Additional notes: training runs are free and self-supported; updates are posted via the event Strava club. Bib pickup has an optional in-person pickup at Sports Basement Berkeley; someone may pick up bibs for others and bibs include a shopping discount. All runners receive a race shirt, Skyline socks, and a finisher medal. Awards are given to overall winners and three deep by age group. Refunds are generally not offered; outside 30 days deferral to a future year or another Scena race is allowed, with no deferrals within 30 days. Visit the organization's website for the most recent information.
